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81. 发明授权

US08150701B2 Method and apparatus for embedding spatial information and reproducing embedded signal for an audio signal 有权
公开(公告)号：US08150701B2
公开(公告)日：2012-04-03
申请号：US11915574
申请日：2006-05-26
申请人： Hyen-O Oh , Hee Suk Pang , Dong Soo Kim , Jae Hyun Lim , Yang-Won Jung
发明人： Hyen-O Oh , Hee Suk Pang , Dong Soo Kim , Jae Hyun Lim , Yang-Won Jung
IPC分类号： G10L19/00
CPC分类号： H04H20/89 , G10L19/008 , G10L19/018 , G10L19/167
摘要： An apparatus for encoding and decoding an audio signal and method thereof are disclosed, by which compatibility with a player of a general mono or stereo audio signal can be provided in coding an audio signal and by which spatial information for a multi-channel audio signal can be stored or transmitted without a presence of an auxiliary data area. The present invention includes extracting side information embedded in non-recognizable component of audio signal components and decoding the audio signal using the extracted side information.

82. 发明授权

US08139773B2 Method and an apparatus for decoding an audio signal 有权
标题翻译：用于对音频信号进行解码的方法和装置
公开(公告)号：US08139773B2
公开(公告)日：2012-03-20
申请号：US12695776
申请日：2010-01-28
申请人： Hyen-O Oh , Yang Won Jung
发明人： Hyen-O Oh , Yang Won Jung
IPC分类号： H04R5/00 , G10L19/00
CPC分类号： G10L19/20 , G10L19/008 , H04S2420/03
摘要： An apparatus and method for receiving a downmix signal including at least one object signal, and a bitstream including object information and downmix channel level difference. When the downmix signal includes at least two object signals, a relation identifier indicating whether two object signals are related is extracted, and whether the two object signals correspond to stereo object signals is identified using the downmix channel level difference and the relation identifier generating mix information including a first element and a second element using a single user input, and generating at least one of downmix processing information and multi-channel information based on the object information and the mix information. Further, the first element is applied to the left object signal to output a first channel, the second element is applied to the right object signal to output a second channel, and the first element is conversely related to the second element.
摘要翻译：一种用于接收包括至少一个对象信号的下混信号的装置和方法，以及包括对象信息和下混通道电平差的比特流。当降混信号包括至少两个对象信号时，提取表示两个对象信号是否相关的关系标识符，并且使用下混通道电平差识别对应于立体对象信号的两个对象信号，并且关系标识符生成混合信息包括使用单个用户输入的第一元素和第二元素，并且基于对象信息和混合信息生成下混处理信息和多信道信息中的至少一个。此外，将第一元件应用于左对象信号以输出第一通道，第二元件被施加到右对象信号以输出第二通道，并且第一元件与第二元件相反地相关。

83. 发明授权

US08090587B2 Method and apparatus for encoding/decoding multi-channel audio signal 有权
标题翻译：用于对多声道音频信号进行编码/解码的方法和装置
公开(公告)号：US08090587B2
公开(公告)日：2012-01-03
申请号：US12088426
申请日：2006-09-26
申请人： Yang-Won Jung , Hee Suk Pang , Hyen-O Oh , Dong Soo Kim , Jae Hyun Lim
发明人： Yang-Won Jung , Hee Suk Pang , Hyen-O Oh , Dong Soo Kim , Jae Hyun Lim
IPC分类号： G10L19/00
CPC分类号： G10L19/032 , G10L19/008
摘要： Methods of encoding and decoding a multi-channel audio signal and apparatuses for encoding and decoding a multi-channel audio signal are provided. The method of decoding a multi-channel audio signal includes an unpacking unit which extracts a quantized CLD between a pair of channels of a plurality of channels from a bitstream, and an inverse quantization unit which inverse-quantizes the quantized CLD using a quantization table that considers the location properties of the pair of channels. The methods of encoding and decoding a multi-channel audio signal and the apparatuses for encoding and decoding a multi-channel audio signal can enable an efficient encoding/decoding by reducing the number of quantization bits required.
摘要翻译：提供了对多声道音频信号进行编码和解码的方法以及用于编码和解码多声道音频信号的装置。解码多声道音频信号的方法包括从比特流提取多个频道的一对频道之间的量化CLD的解包单元，以及使用量化表对量化CLD进行逆量化的逆量化单元，考虑通道对的位置属性。编码和解码多声道音频信号的方法以及用于对多声道音频信号进行编码和解码的装置可以通过减少所需量化位的数量来实现有效的编码/解码。

84. 发明授权

US08090586B2 Method and apparatus for embedding spatial information and reproducing embedded signal for an audio signal 有权
标题翻译：用于嵌入空间信息并再现用于音频信号的嵌入信号的方法和装置
公开(公告)号：US08090586B2
公开(公告)日：2012-01-03
申请号：US11915325
申请日：2006-05-26
申请人： Hyen-O Oh , Hee Suk Pang , Dong Soo Kim , Jae Hyun Lim , Yang-Won Jung
发明人： Hyen-O Oh , Hee Suk Pang , Dong Soo Kim , Jae Hyun Lim , Yang-Won Jung
IPC分类号： G10L19/00
CPC分类号： H04H20/89 , G10L19/008 , G10L19/018 , G10L19/167
摘要： An apparatus encodes or decodes an audio signal using a method by which compatibility with a player of a general mono or stereo audio signal can be provided in coding an audio signal and by which spatial information for a multi-channel audio signal can be stored or transmitted without a presence of an auxiliary data area. The present invention includes extracting side information embedded in non-recognizable component of audio signal components and decoding the audio signal using the extracted side information.
摘要翻译：一种装置使用这样的方法对音频信号进行编码或解码，通过该方法可以在编码音频信号中提供与普通单声道或立体声音频信号的播放器的兼容性，并且可以通过哪种方式来存储或发送多声道音频信号的空间信息而不存在辅助数据区。本发明包括提取嵌入在音频信号分量的不可识别分量中的侧信息，并使用提取的侧信息对音频信号进行解码。

85. 发明申请

US20100312567A1 METHOD AND AN APPARATUS FOR PROCESSING A SIGNAL 有权
公开(公告)号：US20100312567A1
公开(公告)日：2010-12-09
申请号：US12738064
申请日：2008-10-15
申请人： Hyen-O Oh , Hong Goo Kang , Chang Heon Lee , Sang Wook Shin , Yang Won Jung
发明人： Hyen-O Oh , Hong Goo Kang , Chang Heon Lee , Sang Wook Shin , Yang Won Jung
IPC分类号： G10L19/00
CPC分类号： G10L19/20
摘要： Disclosed is a method of processing a signal, which includes receiving at least one of a first signal and a second signal, receiving mode information, and coding the at least one of the first signal and the second signal using at least one of a first coding scheme and a second coding scheme according to the mode information, wherein the mode information is information for indicating that a prescribed mode corresponds to which one of at least three modes.

86. 发明申请

US20100305956A1 METHOD AND AN APPARATUS FOR PROCESSING A SIGNAL 有权
标题翻译：方法和处理信号的装置
公开(公告)号：US20100305956A1
公开(公告)日：2010-12-02
申请号：US12816336
申请日：2010-06-15
申请人： Hyen-O Oh , Yang Won Jung
发明人： Hyen-O Oh , Yang Won Jung
IPC分类号： G10L21/00
CPC分类号： H04N21/435 , G10L19/008 , G10L19/025 , G10L19/18 , G10L21/038 , H04N21/234309 , H04N21/235 , H04N21/2383 , H04N21/6377 , H04N21/658 , H04N21/8106 , H04N21/8133
摘要： A method and apparatus for processing a signal are discussed. According to an embodiment, the method includes receiving extension information and a downmix signal decoded by either an audio coding scheme or a speech coding scheme, the downmix signal having a bandwidth of a low frequency signal; generating an upmixing signal from the downmix signal by using channel extension; determining an extension base signal corresponding to partial band of the upmixing signal based on the extension information; and generating an extended upmixing signal by applying the extension information to the extension base signal, the extended upmixing signal having a bandwidth extended by reconstructing a high frequency signal.
摘要翻译：讨论了一种用于处理信号的方法和装置。根据实施例，该方法包括接收扩展信息和通过音频编码方案或语音编码方案解码的下混合信号，所述下混合信号具有低频信号的带宽; 通过使用信道扩展从下混合信号产生上混合信号; 基于所述扩展信息确定对应于所述上混合信号的部分频带的扩展基础信号; 以及通过将扩展信息应用于扩展基础信号来产生扩展上混合信号，扩展上混合信号具有通过重构高频信号而扩展的带宽。

87. 发明申请

US20100250259A1 METHOD AND AN APPARATUS OF DECODING AN AUDIO SIGNAL 有权
标题翻译：解码音频信号的方法和装置
公开(公告)号：US20100250259A1
公开(公告)日：2010-09-30
申请号：US12676730
申请日：2008-09-08
申请人： Hyen-O Oh , Myung Hoon Lee , Yang Won Jung , Christof Faller
发明人： Hyen-O Oh , Myung Hoon Lee , Yang Won Jung , Christof Faller
IPC分类号： G10L19/00
CPC分类号： G10L21/0272 , G10L19/008 , G10L21/00
摘要： The present invention includes an audio signal receiving unit receiving the audio signal having a plurality of channel signals including an ambient component signal and a source component signal; an ambient component signal extracting unit extracting the ambient component signal of each of the channels based on correlation between the channel signals; an ambient component signal modifying unit modifying the ambient component signal using surround effect information; a source component signal extracting unit extracting the source component signal of each of the channels based on the correlation between the channel signals; a first signal output unit outputting the modified ambient component signal and the source component signal; and a second signal output unit outputting the audio signal or the source component signal. Accordingly, in an apparatus for decoding an audio signal and method thereof according to the present invention, an ambient component signal is extracted and modified based on correlation and the modified ambient and source component signals are outputted using different signal output units, respectively. Therefore, the present invention enhances a stereo effect of the audio signal. And, a signal output unit for outputting an ambient component signal is arranged to have an output direction different from that of another signal output unit for outputting a source component signal, whereby a listener can be provided with an audio signal of which ambient sound is enhanced.
摘要翻译：本发明包括音频信号接收单元，其接收具有包括环境分量信号和源分量信号的多个信道信号的音频信号; 环境分量信号提取单元，基于信道信号之间的相关性提取每个信道的环境分量信号; 环境分量信号修改单元，使用环绕效果信息修改环境分量信号; 源分量信号提取单元，基于信道信号之间的相关性提取每个信道的源分量信号; 输出修正的环境分量信号和源分量信号的第一信号输出单元; 以及输出音频信号或源分量信号的第二信号输出单元。因此，在根据本发明的用于解码音频信号的装置及其方法中，基于相关性提取和修改环境分量信号，并且分别使用不同的信号输出单元输出修改的环境和源分量信号。因此，本发明增强了音频信号的立体效果。并且，用于输出环境分量信号的信号输出单元布置成具有与用于输出源分量信号的另一个信号输出单元的输出方向不同的输出方向，从而可以向收听者提供其环境声音被增强的音频信号。

88. 发明申请

US20100241438A1 METHOD AND AN APPARATUS OF DECODING AN AUDIO SIGNAL 有权
标题翻译：解码音频信号的方法和装置
公开(公告)号：US20100241438A1
公开(公告)日：2010-09-23
申请号：US12676848
申请日：2008-09-08
申请人： Hyen-O Oh , Myung Hoon Lee , Yang Won Jung , Christof Faller
发明人： Hyen-O Oh , Myung Hoon Lee , Yang Won Jung , Christof Faller
IPC分类号： G10L19/00
CPC分类号： G10L21/0272 , G10L19/008 , G10L21/00
摘要： A method of decoding an audio signal is disclosed, The present invention includes the steps of receiving the audio signal having a plurality of channel signals including an ambient component signal and a source component signal, extracting the ambient component signal and the source component signal of each of the channels based on correlation between the channel signals, modifying the ambient component signal using surround effect information, and generating the audio signal including a plurality of channels using the modified ambient component signal and the source component signal. Accordingly, in an apparatus for decoding an audio signal and method thereof according to the present invention, an ambient component signal is extracted and modified based on correlation and the modified ambient and source component signals are outputted using different signal output units, respectively. Therefore, the present invention enhances a stereo effect of the audio signal. And, a signal output unit for outputting a ambient component signal is arranged to have an output direction different from that of another signal output unit for outputting a source component signal, whereby a listener can be provided with an audio signal of which ambient sound is enhanced.
摘要翻译：公开了一种解码音频信号的方法，本发明包括以下步骤：接收具有多个信道信号的音频信号，包括环境分量信号和源分量信号，提取每个信号的环境分量信号和源分量信号基于信道信号之间的相关性，使用环绕效果信息修改环境分量信号，以及使用修改的环境分量信号和源分量信号来生成包括多个信道的音频信号。因此，在根据本发明的用于解码音频信号的装置及其方法中，基于相关性提取和修改环境分量信号，并且分别使用不同的信号输出单元输出修改的环境和源分量信号。因此，本发明增强了音频信号的立体效果。并且，用于输出环境分量信号的信号输出单元被布置成具有与用于输出源分量信号的另一信号输出单元的输出方向不同的输出方向，从而可以向收听者提供其环境声音被增强的音频信号。

89. 发明授权

US07783051B2 Method and an apparatus for decoding an audio signal 有权
标题翻译：用于对音频信号进行解码的方法和装置
公开(公告)号：US07783051B2
公开(公告)日：2010-08-24
申请号：US12573067
申请日：2009-10-02
申请人： Hyen-O Oh , Yang-Won Jung
发明人： Hyen-O Oh , Yang-Won Jung
IPC分类号： H04R5/00
CPC分类号： H04S3/008 , G10L19/008 , H04S7/302 , H04S2420/01 , H04S2420/03
摘要： A method for processing an audio signal, comprising: receiving a downmix signal, an object information, and a mix information; generating a multi-channel information including at least one gain modification factor using the object information and the mix information, wherein the gain modification factor corresponds to a time-subband-variant factor for controlling gain of the downmix signal is disclosed.
摘要翻译：一种用于处理音频信号的方法，包括：接收下混合信号，对象信息和混合信息; 公开了使用对象信息和混合信息生成包括至少一个增益修正因子的多信道信息，其中增益修正因子对应于用于控制下混信号增益的时间子带变异因子。

90. 发明申请

US20100211400A1 METHOD AND AN APPARATUS FOR PROCESSING A SIGNAL 有权
标题翻译：方法和处理信号的装置
公开(公告)号：US20100211400A1
公开(公告)日：2010-08-19
申请号：US12738252
申请日：2008-11-21
申请人： Hyen-O Oh , Yang Won Jung
发明人： Hyen-O Oh , Yang Won Jung
IPC分类号： G10L19/00
CPC分类号： H04N21/435 , G10L19/008 , G10L19/025 , G10L19/18 , G10L21/038 , H04N21/234309 , H04N21/235 , H04N21/2383 , H04N21/6377 , H04N21/658 , H04N21/8106 , H04N21/8133
摘要： A method of processing a signal is disclosed. The present invention includes receiving at least one of a first signal and a second signal, obtaining mode information and modification flag information indicating whether the first signal is modified, if it is determined as an audio coding scheme according to the mode information, decoding the first signal by the audio coding scheme, if the first signal is modified based on the modification flag information, reconstructing the first signal by applying modification reconstruction information to the first signal, determining an extension base signal corresponding to a partial region of the first signal based on extension information, and generating an extended downmix signal having a bandwidth extended by reconstructing a high frequency region signal using the extension base signal and the extension information. According to a signal processing method and apparatus of the present invention, after a first signal has been decoded by a first coding scheme, the first signal is adjusted using modification reconstruction information for reconstructing the first signal modified in time domain in performing encoding. Therefore, a coding efficiency enhanced signal can be provided.
摘要翻译：公开了处理信号的方法。本发明包括如果根据模式信息被确定为音频编码方案，则接收第一信号和第二信号中的至少一个，获得指示第一信号是否被修改的模式信息和修改标志信息，信号通过音频编码方案，如果基于修改标志信息修改第一信号，则通过将修改重构信息应用于第一信号来重建第一信号，基于第一信号确定与第一信号的部分区域对应的扩展基础信号扩展信息，并且使用扩展基础信号和扩展信息，通过重建高频区域信号来产生具有扩展的带宽的扩展缩混信号。根据本发明的信号处理方法和装置，在通过第一编码方案对第一信号进行了解码之后，使用修改重建信息来调整第一信号，以便在进行编码时重建在时域修改的第一信号。因此，可以提供编码效率提高信号。

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